A family of three--a mother, father and their teenage son--have all tragically died in an early morning house fire that enveloped their home, authorities said. The incident occurred at approximately 2 a.m.on Monday, June 21, in Pottstown, Pennsylvania--about 40 miles northwest of Philadelphia--when a fire swept through the family’s home and a neighbor who noticed the blaze alerted a police officer who happened to be in the area at the time, according to ABC News’ Philadelphia station WPVI. MORE: